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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.330 by elmex, Fri Aug 10 10:35:07 2007 UTC vs.
Revision 1.431 by elmex, Sun May 4 19:27:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
25	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
26	use BDB ();	49	use BDB ();
27	use Data::Dumper;	50	use Data::Dumper;
28	use Digest::MD5;	51	use Digest::MD5;
29	use Fcntl;	52	use Fcntl;
30	use YAML::Syck ();	53	use YAML ();
31	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
32	use Time::HiRes;	55	use Time::HiRes;
33	use Compress::LZF;	56	use Compress::LZF;
34	use Digest::MD5 ();	57	use Digest::MD5 ();
35		58
36	# configure various modules to our taste	59	# configure various modules to our taste
37	#	60	#
38	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		64
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		66
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		68
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
74		93
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	97	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		99
83	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	104	our $DB_ENV;
85		105
86	our %CFG;	106	our %CFG;
87		107
88	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
90		111
91	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
94		115
95	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		118
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
101		123
102	binmode STDOUT;	124	binmode STDOUT;
103	binmode STDERR;	125	binmode STDERR;
104		126
105	# read virtual server time, if available	127	# read virtual server time, if available
…		…
158		180
159	The raw value load value from the last tick.	181	The raw value load value from the last tick.
160		182
161	=item %cf::CFG	183	=item %cf::CFG
162		184
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	186	from wherever your confdir points to.
165		187
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		189
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	208	$msg .= "\n"
187	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
188		210
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		212
191	utf8::encode $msg;
192	LOG llevError, $msg;	213	LOG llevError, $msg;
193	};	214	};
194	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
195		231
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
212	)) {	248	)) {
213	no strict 'refs';	249	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	251	}
216		252
217	$Event::DIED = sub {	253	$EV::DIED = sub {
218	warn "error in event callback: @_";	254	warn "error in event callback: @_";
219	};	255	};
220		256
221	#############################################################################	257	#############################################################################
222		258
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	282	$d
247	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
248	}	284	}
249		285
250	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
251		287
252	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
253		289
254	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
255		291
256	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
257		293
258	=cut	294	=cut
259		295
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		297
262	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
264		300
265	=item cf::lock_wait $string	301	=item cf::lock_wait $string
266		302
267	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
268		304
…		…
271	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
274	returned.	310	returned.
275		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
276	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
278		317
279	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
280		319
281	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
282		321
283	=cut	322	=cut
284		323
285	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
286		326
287	sub lock_wait($) {	327	sub lock_wait($) {
288	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
289		334
290	# wait for lock, if any	335	# wait for lock, if any
291	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	338	Coro::schedule;
…		…
299		344
300	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
301	lock_wait $key;	346	lock_wait $key;
302		347
303	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
304		350
305	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
308	}	355	}
309	}	356	}
310		357
…		…
313		360
314	! ! $LOCK{$key}	361	! ! $LOCK{$key}
315	}	362	}
316		363
317	sub freeze_mainloop {	364	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
319		366
320	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	368	}
322	};	369
323	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
324	$guard	371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
325	}	383	}
326		384
327	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
328		386
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
342		400
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
345	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
346		406
347	while () {	407	while () {
348	next_job:	408	next_job:
349	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
357	}	417	}
358	}	418	}
359	}	419	}
360		420
361	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	424	$signal->wait;
365	} else {	425	} else {
366	Coro::schedule;	426	Coro::schedule;
367	}	427	}
368	}	428	}
369	};	429	};
370		430
371	sub get_slot($;$$) {	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
372	my ($time, $pri, $name) = @_;	434	my ($time, $pri, $name) = @_;
373		435
374	$time = $TICK * .6 if $time > $TICK * .6;	436	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	437	my $sig = new Coro::Signal;
376		438
…		…
390		452
391	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
392		454
393	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
394		456
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	458	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	460	acceptable.
399		461
400	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		468
407	sub sync_job(&) {	469	sub sync_job(&) {
408	my ($job) = @_;	470	my ($job) = @_;
409		471
410	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	473	my $time = EV::time;
412		474
413	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
415		477
416	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	479
418	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
419		481
420	my $busy = 1;	482	my $busy = 1;
421	my @res;	483	my @res;
422		484
423	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	487	@res = eval { $job->() };
425	warn $@ if $@;	488	warn $@ if $@;
426	undef $busy;	489	undef $busy;
427	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
428		491
429	while ($busy) {	492	while ($busy) {
430	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
431	}	497	}
		498	}
432		499
433	$time = Event::time - $time;	500	my $time = EV::time - $time;
434		501
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
439		503
440	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
441	} else {	505	} else {
442	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
443		507
…		…
468	=item fork_call { }, $args	532	=item fork_call { }, $args
469		533
470	Executes the given code block with the given arguments in a seperate	534	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	536	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
474		538
475	=cut	539	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		540
486	sub fork_call(&@) {	541	sub fork_call(&@) {
487	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
488		543
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	544	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	545	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	546	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		547
494	if (my $pid = fork) {	548	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	549	reset_signals;
508	local $SIG{__WARN__};	550	&$cb
509	local $SIG{__DIE__};	551	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		552
516	eval {	553	wantarray ? @res : $res[-1]
517	close $fh1;	554	}
518		555
519	my @res = eval { $cb->(@args) };	556	=item $coin = coin_from_name $name
520		557
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	558	=cut
522	close $fh2;
523	};
524		559
525	warn $@ if $@;	560	our %coin_alias = (
526	_exit 0;	561	"silver" => "silvercoin",
527	}	562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
528	}	581	}
529		582
530	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
531		584
532	Returns a single value from the environment database.	585	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
535		588
536	Stores the given C<$value> in the family. It can currently store binary	589	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
539	=cut	597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
540		615
541	our $DB;	616	our $DB;
542		617
543	sub db_init {	618	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	619	cf::sync_job {
548	eval {	620	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	621	};
558	}	622	}
559		623
560	sub db_get($$) {	624	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
562		626
…		…
612	if (1) {	676	if (1) {
613	$md5 =	677	$md5 =
614	join "\x00",	678	join "\x00",
615	$processversion,	679	$processversion,
616	map {	680	map {
617	Coro::cede;	681	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	682	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	683	} 0.. $#$src;
620		684
621		685
622	my $dbmd5 = db_get cache => "$id/md5";	686	my $dbmd5 = db_get cache => "$id/md5";
…		…
666	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
668		732
669	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	735	Deliantra).
672		736
673	=over 4	737	=over 4
674		738
675	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
676		740
…		…
958	}	1022	}
959		1023
960	0	1024	0
961	}	1025	}
962		1026
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1028
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1030
967	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
968		1032
…		…
974		1038
975	=cut	1039	=cut
976		1040
977	#############################################################################	1041	#############################################################################
978	# object support	1042	# object support
979	#
980		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
981	sub _can_merge {	1077	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1078	my ($ob1, $ob2) = @_;
983		1079
984	local $Storable::canonical = 1;	1080	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1081
988	$fob1 eq $fob2	1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
989	}	1084	}
990		1085
991	sub reattach {	1086	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1088	my ($obj) = @_;
…		…
1015	cf::attachable->attach (	1110	cf::attachable->attach (
1016	prio => -1000000,	1111	prio => -1000000,
1017	on_instantiate => sub {	1112	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
1019		1114
1020	$data = from_json $data;	1115	$data = decode_json $data;
1021		1116
1022	for (@$data) {	1117	for (@$data) {
1023	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
1024		1119
1025	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1136	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
1043		1138
1044	sync_job {	1139	sync_job {
1045	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
1048		1144
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1149	aio_close $fh;
1054		1150
1055	if (@$objs) {	1151	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1157	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1159	}
1064	} else {	1160	} else {
1065	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
1066	}	1162	}
…		…
1071	}	1167	}
1072	} else {	1168	} else {
1073	aio_unlink $filename;	1169	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
1075	}	1171	}
1076	}	1172	};
1077	}	1173	}
1078		1174
1079	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
1081		1177
…		…
1093	or return;	1189	or return;
1094		1190
1095	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1193	or return;
		1194
1098	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1099	}	1197	}
1100		1198
		1199	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1103	return ($data, $av);	1203	($data, $av)
1104	}	1204	}
1105		1205
1106	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1107		1207
1108	=over 4	1208	=over 4
…		…
1186	my ($type, $reply, @payload) =	1286	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1287	"ARRAY" eq ref $msg
1188	? @$msg	1288	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1290
		1291	my @reply;
		1292
1191	if (my $cb = $EXTCMD{$type}) {	1293	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1294	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
1197	} else {	1300	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1302	}
1200		1303
1201	cf::override;	1304	cf::override;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1256		1359
1257	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1361	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1363	}
1262		1364
1263	warn $msg;	1365	warn $msg;
1264	}	1366	}
1265		1367
…		…
1290	use Coro::AIO;	1392	use Coro::AIO;
1291		1393
1292	=head3 cf::player	1394	=head3 cf::player
1293		1395
1294	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1295		1411
1296	=item cf::player::find $login	1412	=item cf::player::find $login
1297		1413
1298	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1299		1415
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1455
1340	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1343	}	1465	}
1344	}	1466	}
1345	}	1467	}
1346		1468
…		…
1355	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1356		1478
1357	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1359		1481
		1482	cf::get_slot 0.01;
		1483
1360	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1361	Coro::cede;	1485	cf::cede_to_tick;
1362	}	1486	}
1363		1487
1364	sub new($) {	1488	sub new($) {
1365	my ($login) = @_;	1489	my ($login) = @_;
1366		1490
…		…
1444	or return [];	1568	or return [];
1445		1569
1446	my @logins;	1570	my @logins;
1447		1571
1448	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1452		1582
1453	utf8::decode $login;	1583	utf8::decode $login;
1454	push @logins, $login;	1584	push @logins, $login;
1455	}	1585	}
1456		1586
…		…
1489		1619
1490	Expand crossfire pod fragments into protocol xml.	1620	Expand crossfire pod fragments into protocol xml.
1491		1621
1492	=cut	1622	=cut
1493		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
1494	sub expand_cfpod {	1635	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;	1636	my ($self, $pod) = @_;
1496		1637
1497	# escape & and <	1638	my $xml;
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500		1639
1501	# this is buggy, it needs to properly take care of nested <'s	1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
1502		1643
1503	1 while	1644	$group =~ s/&/&amp;/g;
1504	# replace B<>, I<>, U<> etc.	1645	$group =~ s/</&lt;/g;
1505	s/B<([^\>]*)>/<b>$1<\/b>/	1646
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/	1647	$xml .= $group;
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/	1648	} elsif ($pod =~ m%\G
1508	# replace G<male|female> tags	1649	([BCGHITU])
1509	|| s{G<([^>|]*)\|([^>]*)>}{	1650	<
1510	$self->gender ? $2 : $1	1651	(?:
1511	}ge	1652	([^<>]*) (?{ $group = $^N })
1512	# replace H<hint text>	1653	| < $interior >
1513	|| s{H<([^\>]*)>}	1654	)
		1655	>
		1656	%gcsx
1514	{	1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")	1677	"")
1518	[$self->{hintmode}]	1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
1519	}ge;	1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
1520		1689
		1690	for ($xml) {
1521	# create single paragraphs (very hackish)	1691	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;	1692	s/(?<=\S)\n(?=\w)/ /g;
1523		1693
1524	# compress some whitespace	1694	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends	1695	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines	1696	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines	1697	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines	1698	s/\n+$//; # ending lines
		1699	}
1529		1700
1530	$_	1701	$xml
1531	}	1702	}
		1703
		1704	no re 'eval';
1532		1705
1533	sub hintmode {	1706	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;	1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}	1708	$_[0]{hintmode}
1536	}	1709	}
…		…
1542	=cut	1715	=cut
1543		1716
1544	sub ext_reply($$@) {	1717	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1718	my ($self, $id, @msg) = @_;
1546		1719
1547	if ($self->ns->extcmd == 2) {	1720	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1721	}
1555		1722
1556	=item $player->ext_msg ($type, @msg)	1723	=item $player->ext_msg ($type, @msg)
1557		1724
1558	Sends an ext event to the client.	1725	Sends an ext event to the client.
…		…
1614	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1615	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1616		1783
1617	sub generate_random_map {	1784	sub generate_random_map {
1618	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1619	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1620	$self->_create_random_map (	1790	$self->_create_random_map (
1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1745		1915
1746	# the temporary/swap location	1916	# the temporary/swap location
1747	sub save_path {	1917	sub save_path {
1748	my ($self) = @_;	1918	my ($self) = @_;
1749		1919
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$TMPDIR/$path.map"	1921	"$TMPDIR/$path.map"
1752	}	1922	}
1753		1923
1754	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1755	sub uniq_path {	1925	sub uniq_path {
1756	my ($self) = @_;	1926	my ($self) = @_;
1757		1927
1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759	"$UNIQUEDIR/$path"	1929	"$UNIQUEDIR/$path"
1760	}	1930	}
1761		1931
1762	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1763	# all maps in C++...	1933	# all maps in C++...
…		…
1786		1956
1787	sub load_header_from($) {	1957	sub load_header_from($) {
1788	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1789		1959
1790	utf8::encode $path;	1960	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1796		1969
1797	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1798		1971
1799	1	1972	1
1800	}	1973	}
…		…
1854	sub find {	2027	sub find {
1855	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1856		2029
1857	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1858		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1860		2034
1861	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1862	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1863	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1864	or return;	2040	or return;
1865		2041
1866	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1867		2043
…		…
1869	or return;	2045	or return;
1870		2046
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1874	$map->reset;	2052	$map->reset;
1875	undef $guard;
1876	return find $path;	2053	return find $path;
1877	}	2054	}
1878		2055
1879	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1880	}	2057	}
…		…
1889	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1890		2067
1891	my $path = $self->{path};	2068	my $path = $self->{path};
1892		2069
1893	{	2070	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1895		2072
		2073	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2075
1898	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1899		2077
1900	$self->alloc;	2078	$self->alloc;
1901		2079
1902	$self->pre_load;	2080	$self->pre_load;
1903	Coro::cede;	2081	cf::cede_to_tick;
1904		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1905	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1906	or return;	2086	or return;
1907		2087
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1909	if delete $self->{load_original};	2089	if delete $self->{load_original};
1910		2090
1911	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2092	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2095	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1916	}	2099	}
1917	}	2100	}
1918		2101
1919	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1920	# now do the right thing for maps	2105	# now do the right thing for maps
1921	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2108	unless $self->difficulty;
1924	Coro::cede;	2109	cf::cede_to_tick;
1925		2110
1926	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2112	$self->decay_objects;
1928	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1929	$self->update_buttons;	2114	$self->update_buttons;
1930	Coro::cede;	2115	cf::cede_to_tick;
1931	$self->set_darkness_map;	2116	$self->set_darkness_map;
1932	Coro::cede;	2117	cf::cede_to_tick;
1933	$self->activate;	2118	$self->activate;
1934	}	2119	}
1935		2120
1936	$self->{last_save} = $cf::RUNTIME;	2121	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2122	$self->last_access ($cf::RUNTIME);
1938		2123
1939	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
1940	}	2125	}
1941		2126
1942	$self->post_load;	2127	$self->post_load;
1943	}	2128	}
1944		2129
…		…
1953		2138
1954	$self	2139	$self
1955	}	2140	}
1956		2141
1957	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2143	sub load_neighbours {
1959	my ($map) = @_;	2144	my ($map) = @_;
1960		2145
1961	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1962		2147
1963	for (0 .. 3) {	2148	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1965	or next;	2150	or next;
1966	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1967	or next;	2152	or next;
1968	$neigh->load;	2153	$neigh->load;
1969		2154
		2155	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2158	}
1973		2159
1974	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1976	or next;	2163	or next;
1977	$neigh->load;	2164	$neigh->load;
1978	}	2165	}
1979	}	2166	}
1980		2167
…		…
1985	}	2172	}
1986		2173
1987	sub do_load_sync {	2174	sub do_load_sync {
1988	my ($map) = @_;	2175	my ($map) = @_;
1989		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1990	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1991	}	2181	}
1992		2182
1993	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1995		2185
1996	sub find_async {	2186	sub find_async {
1997	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1998		2188
1999	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
2000		2190
2001	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2193	}
2004		2194
2005	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
2006	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
2007	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2202	if (my $map = find $k) {
2010	$map->load;	2203	$map->load if $v;
2011	}	2204	}
2012		2205
2013	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
2014	}	2207	}
2015	}	2208	}
2016	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
2017	};	2210	};
2018	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
2021	}	2214	}
2022		2215
2023	sub save {	2216	sub save {
2024	my ($self) = @_;	2217	my ($self) = @_;
2025		2218
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2220
2028	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
2029		2222
2030	return unless $self->dirty;	2223	return unless $self->dirty;
2031		2224
…		…
2037	return if $self->{deny_save};	2230	return if $self->{deny_save};
2038		2231
2039	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
2040		2233
2041	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
2043	};	2237	};
		2238
		2239	cf::get_slot 0.02;
2044		2240
2045	if ($uniq) {	2241	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2048	} else {	2244	} else {
…		…
2054	my ($self) = @_;	2250	my ($self) = @_;
2055		2251
2056	# save first because save cedes	2252	# save first because save cedes
2057	$self->save;	2253	$self->save;
2058		2254
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2256
2061	return if $self->players;	2257	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
2063	return if $self->{deny_save};	2259	return if $self->{deny_save};
2064		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
2065	$self->clear;	2265	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2266	}
2068		2267
2069	sub reset_at {	2268	sub reset_at {
2070	my ($self) = @_;	2269	my ($self) = @_;
2071		2270
…		…
2103	if $uniq;	2302	if $uniq;
2104	}	2303	}
2105		2304
2106	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
2107		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2309	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2310
2112	$self->unlink_save;	2311	$self->unlink_save;
2113	$self->destroy;	2312	$self->destroy;
2114	}	2313	}
2115		2314
2116	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
2117		2316
2118	sub nuke {	2317	sub nuke {
2119	my ($self) = @_;	2318	my ($self) = @_;
2120		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
2121	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
2122		2324
2123	$self->unlink_save;	2325	$self->unlink_save;
2124		2326
2125	bless $self, "cf::map";	2327	bless $self, "cf::map";
2126	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2332
2131	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
2132		2335
2133	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
2134	}	2337	}
2135		2338
2136	=item $maps = cf::map::tmp_maps	2339	=item $maps = cf::map::tmp_maps
…		…
2178		2381
2179	sub unique_maps() {	2382	sub unique_maps() {
2180	[	2383	[
2181	map {	2384	map {
2182	utf8::decode $_;	2385	utf8::decode $_;
2183	/\.map$/	2386	s/\.map$//; # TODO future compatibility hack
		2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2388	? ()
2184	? normalise $_	2389	: normalise $_
2185	: ()
2186	} @{ aio_readdir $UNIQUEDIR or [] }	2390	} @{ aio_readdir $UNIQUEDIR or [] }
2187	]	2391	]
2188	}	2392	}
2189		2393
2190	package cf;
2191
2192	=back	2394	=back
2193		2395
2194	=head3 cf::object	2396	=head3 cf::object
2195		2397
2196	=cut	2398	=cut
…		…
2199		2401
2200	=over 4	2402	=over 4
2201		2403
2202	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
2203		2405
2204	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
2205		2408
2206	=cut	2409	=cut
2207		2410
2208	sub inv_recursive_;	2411	sub inv_recursive_;
2209	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
2212		2415
2213	sub inv_recursive {	2416	sub inv_recursive {
2214	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
2215	}	2418	}
2216		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
2217	package cf;	2448	package cf;
2218		2449
2219	=back	2450	=back
2220		2451
2221	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
2227	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
2229	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
2230		2461
2231	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
2232		2477
2233	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
2234	# with dialog boxes.	2479	# with dialog boxes.
2235	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
2236	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
2248	my $dialog = $pl->{npc_dialog};	2493	my $dialog = $pl->{npc_dialog};
2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250		2495
2251	} else {	2496	} else {
2252	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
2253	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254	}	2499	}
2255	}	2500	}
2256	}	2501	}
2257		2502
2258	=item $object->send_msg ($channel, $msg, $color, [extra...])	2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2349	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
2352		2597
2353	$map->load;	2598	$map->load;
2354	$map->load_diag;	2599	$map->load_neighbours;
2355		2600
2356	return unless $self->contr->active;	2601	return unless $self->contr->active;
2357	$self->activate_recursive;	2602	$self->activate_recursive;
2358		2603
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
…		…
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2625
2381	$self->enter_link;	2626	$self->enter_link;
2382		2627
2383	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
2384	my $map = eval {	2650	my $map = eval {
2385	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
2386		2652
2387	if ($map) {	2653	if ($map) {
2388	$map = $map->customise_for ($self);	2654	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2655	$map = $check->($map) if $check && $map;
2390	} else {	2656	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2658	}
2393		2659
2394	$map	2660	$map
2395	};	2661	};
2396		2662
…		…
2432	}	2698	}
2433		2699
2434	sub prepare_random_map {	2700	sub prepare_random_map {
2435	my ($exit) = @_;	2701	my ($exit) = @_;
2436		2702
2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439	# all this does is basically replace the /! path by	2703	# all this does is basically replace the /! path by
2440	# a new random map path (?random/...) with a seed	2704	# a new random map path (?random/...) with a seed
2441	# that depends on the exit object	2705	# that depends on the exit object
2442		2706
2443	my $rmp = parse_random_map_params $exit->msg;	2707	my $rmp = parse_random_map_params $exit->msg;
…		…
2445	if ($exit->map) {	2709	if ($exit->map) {
2446	$rmp->{region} = $exit->region->name;	2710	$rmp->{region} = $exit->region->name;
2447	$rmp->{origin_map} = $exit->map->path;	2711	$rmp->{origin_map} = $exit->map->path;
2448	$rmp->{origin_x} = $exit->x;	2712	$rmp->{origin_x} = $exit->x;
2449	$rmp->{origin_y} = $exit->y;	2713	$rmp->{origin_y} = $exit->y;
		2714
		2715	$exit->map->touch;
2450	}	2716	}
2451		2717
2452	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
2453		2719
2454	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
2457		2723
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
2460	undef $fh;	2726	undef $fh;
2461	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
2462		2728
		2729	my $slaying = "?random/$md5";
		2730
		2731	if ($exit->valid) {
2463	$exit->slaying ("?random/$md5");	2732	$exit->slaying ("?random/$md5");
2464	$exit->msg (undef);	2733	$exit->msg (undef);
		2734	}
2465	}	2735	}
2466	}	2736	}
2467		2737
2468	sub cf::object::player::enter_exit {	2738	sub cf::object::player::enter_exit {
2469	my ($self, $exit) = @_;	2739	my ($self, $exit) = @_;
2470		2740
2471	return unless $self->type == cf::PLAYER;	2741	return unless $self->type == cf::PLAYER;
2472		2742
2473	if ($exit->slaying eq "/!") {
2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
2475	# the problem is that $exit might not survive long enough
2476	# so it needs to be done right now, right here
2477	cf::sync_job { prepare_random_map $exit };
2478	}
2479
2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481	my $hp = $exit->stats->hp;
2482	my $sp = $exit->stats->sp;
2483
2484	$self->enter_link;	2743	$self->enter_link;
2485		2744
2486	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);
2489
2490	(async {	2745	(async {
2491	$self->deactivate_recursive; # just to be sure	2746	$Coro::current->{desc} = "enter_exit";
		2747
2492	unless (eval {	2748	unless (eval {
		2749	$self->deactivate_recursive; # just to be sure
		2750
		2751	# random map handling
		2752	{
		2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2754
		2755	prepare_random_map $exit
		2756	if $exit->slaying eq "/!";
		2757	}
		2758
		2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2760	my $x = $exit->stats->hp;
		2761	my $y = $exit->stats->sp;
		2762
2493	$self->goto ($slaying, $hp, $sp);	2763	$self->goto ($map, $x, $y);
2494		2764
		2765	# if exit is damned, update players death & WoR home-position
		2766	$self->contr->savebed ($map, $x, $y)
		2767	if $exit->flag (cf::FLAG_DAMNED);
		2768
2495	1;	2769	1
2496	}) {	2770	}) {
2497	$self->message ("Something went wrong deep within the crossfire server. "	2771	$self->message ("Something went wrong deep within the crossfire server. "
2498	. "I'll try to bring you back to the map you were before. "	2772	. "I'll try to bring you back to the map you were before. "
2499	. "Please report this to the dungeon master!",	2773	. "Please report this to the dungeon master!",
2500	cf::NDI_UNIQUE | cf::NDI_RED);	2774	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	2804	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	2805	the message unless the client supports the msg packet.
2532		2806
2533	=cut	2807	=cut
2534		2808
		2809	# non-persistent channels (usually the info channel)
		2810	our %CHANNEL = (
		2811	"c/identify" => {
		2812	id => "infobox",
		2813	title => "Identify",
		2814	reply => undef,
		2815	tooltip => "Items recently identified",
		2816	},
		2817	"c/examine" => {
		2818	id => "infobox",
		2819	title => "Examine",
		2820	reply => undef,
		2821	tooltip => "Signs and other items you examined",
		2822	},
		2823	"c/book" => {
		2824	id => "infobox",
		2825	title => "Book",
		2826	reply => undef,
		2827	tooltip => "The contents of a note or book",
		2828	},
		2829	"c/lookat" => {
		2830	id => "infobox",
		2831	title => "Look",
		2832	reply => undef,
		2833	tooltip => "What you saw there",
		2834	},
		2835	"c/who" => {
		2836	id => "infobox",
		2837	title => "Players",
		2838	reply => undef,
		2839	tooltip => "Shows players who are currently online",
		2840	},
		2841	"c/body" => {
		2842	id => "infobox",
		2843	title => "Body Parts",
		2844	reply => undef,
		2845	tooltip => "Shows which body parts you posess and are available",
		2846	},
		2847	"c/uptime" => {
		2848	id => "infobox",
		2849	title => "Uptime",
		2850	reply => undef,
		2851	tooltip => "How long the server has been running since last restart",
		2852	},
		2853	"c/mapinfo" => {
		2854	id => "infobox",
		2855	title => "Map Info",
		2856	reply => undef,
		2857	tooltip => "Information related to the maps",
		2858	},
		2859	"c/party" => {
		2860	id => "party",
		2861	title => "Party",
		2862	reply => "gsay ",
		2863	tooltip => "Messages and chat related to your party",
		2864	},
		2865	);
		2866
2535	sub cf::client::send_msg {	2867	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	2868	my ($self, $channel, $msg, $color, @extra) = @_;
2537		2869
2538	$msg = $self->pl->expand_cfpod ($msg);	2870	$msg = $self->pl->expand_cfpod ($msg);
2539		2871
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel)
		2879	if $self->can_msg;
		2880
		2881	$channel = $channel->{id};
		2882
2542	if (ref $channel) {	2883	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	2884	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	2885	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	2886	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
2547	}	2889	}
2548		2890
2549	$channel = $channel->{id};	2891	$channel = $channel->{id};
2550	}	2892	}
2551		2893
…		…
2573	$color &= cf::NDI_COLOR_MASK;	2915	$color &= cf::NDI_COLOR_MASK;
2574		2916
2575	utf8::encode $msg;	2917	utf8::encode $msg;
2576		2918
2577	if (0 && $msg =~ /\[/) {	2919	if (0 && $msg =~ /\[/) {
		2920	# COMMAND/INFO
2578	$self->send_packet ("drawextinfo $color 4 0 $msg")	2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
2579	} else {	2922	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")	2924	$self->send_packet ("drawinfo $color $msg")
2582	}	2925	}
2583	}	2926	}
…		…
2591	=cut	2934	=cut
2592		2935
2593	sub cf::client::ext_msg($$@) {	2936	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	2937	my ($self, $type, @msg) = @_;
2595		2938
2596	my $extcmd = $self->extcmd;
2597
2598	if ($extcmd == 2) {	2939	if ($self->extcmd == 2) {
2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2600	} elsif ($extcmd == 1) { # TODO: remove	2941	} elsif ($self->extcmd == 1) { # TODO: remove
2601	push @msg, msgtype => "event_$type";	2942	push @msg, msgtype => "event_$type";
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2944	}
		2945	}
		2946
		2947	=item $client->ext_reply ($msgid, @msg)
		2948
		2949	Sends an ext reply to the client.
		2950
		2951	=cut
		2952
		2953	sub cf::client::ext_reply($$@) {
		2954	my ($self, $id, @msg) = @_;
		2955
		2956	if ($self->extcmd == 2) {
		2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2958	} elsif ($self->extcmd == 1) {
		2959	#TODO: version 1, remove
		2960	unshift @msg, msgtype => "reply", msgid => $id;
2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2603	}	2962	}
2604	}	2963	}
2605		2964
2606	=item $success = $client->query ($flags, "text", \&cb)	2965	=item $success = $client->query ($flags, "text", \&cb)
…		…
2668	my ($type, $reply, @payload) =	3027	my ($type, $reply, @payload) =
2669	"ARRAY" eq ref $msg	3028	"ARRAY" eq ref $msg
2670	? @$msg	3029	? @$msg
2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2672		3031
		3032	my @reply;
		3033
2673	if (my $cb = $EXTICMD{$type}) {	3034	if (my $cb = $EXTICMD{$type}) {
2674	my @reply = $cb->($ns, @payload);	3035	@reply = $cb->($ns, @payload);
2675
2676	$ns->ext_reply ($reply, @reply)
2677	if $reply;
2678	}	3036	}
		3037
		3038	$ns->ext_reply ($reply, @reply)
		3039	if $reply;
		3040
2679	} else {	3041	} else {
2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3042	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2681	}	3043	}
2682		3044
2683	cf::override;	3045	cf::override;
…		…
2743	=pod	3105	=pod
2744		3106
2745	The following functions and methods are available within a safe environment:	3107	The following functions and methods are available within a safe environment:
2746		3108
2747	cf::object	3109	cf::object
2748	contr pay_amount pay_player map x y force_find force_add	3110	contr pay_amount pay_player map x y force_find force_add destroy
2749	insert remove name archname title slaying race	3111	insert remove name archname title slaying race decrease split
2750		3112
2751	cf::object::player	3113	cf::object::player
2752	player	3114	player
2753		3115
2754	cf::player	3116	cf::player
…		…
2759		3121
2760	=cut	3122	=cut
2761		3123
2762	for (	3124	for (
2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2764	insert remove inv name archname title slaying race)],	3126	insert remove inv nrof name archname title slaying race
		3127	decrease split destroy)],
2765	["cf::object::player" => qw(player)],	3128	["cf::object::player" => qw(player)],
2766	["cf::player" => qw(peaceful)],	3129	["cf::player" => qw(peaceful)],
2767	["cf::map" => qw(trigger)],	3130	["cf::map" => qw(trigger)],
2768	) {	3131	) {
2769	no strict 'refs';	3132	no strict 'refs';
…		…
2845	# the server's init and main functions	3208	# the server's init and main functions
2846		3209
2847	sub load_facedata($) {	3210	sub load_facedata($) {
2848	my ($path) = @_;	3211	my ($path) = @_;
2849		3212
		3213	# HACK to clear player env face cache, we need some signal framework
		3214	# for this (global event?)
		3215	%ext::player_env::MUSIC_FACE_CACHE = ();
		3216
		3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3218
2850	warn "loading facedata from $path\n";	3219	warn "loading facedata from $path\n";
2851		3220
2852	my $facedata;	3221	my $facedata;
2853	0 < aio_load $path, $facedata	3222	0 < aio_load $path, $facedata
2854	or die "$path: $!";	3223	or die "$path: $!";
…		…
2856	$facedata = Coro::Storable::thaw $facedata;	3225	$facedata = Coro::Storable::thaw $facedata;
2857		3226
2858	$facedata->{version} == 2	3227	$facedata->{version} == 2
2859	or cf::cleanup "$path: version mismatch, cannot proceed.";	3228	or cf::cleanup "$path: version mismatch, cannot proceed.";
2860		3229
		3230	# patch in the exptable
		3231	$facedata->{resource}{"res/exp_table"} = {
		3232	type => FT_RSRC,
		3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3234	};
		3235	cf::cede_to_tick;
		3236
2861	{	3237	{
2862	my $faces = $facedata->{faceinfo};	3238	my $faces = $facedata->{faceinfo};
2863		3239
2864	while (my ($face, $info) = each %$faces) {	3240	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3242
2866	cf::face::set_visibility $idx, $info->{visibility};	3243	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3244	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2870		3247
2871	cf::cede_to_tick;	3248	cf::cede_to_tick;
2872	}	3249	}
2873		3250
2874	while (my ($face, $info) = each %$faces) {	3251	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3252	next unless $info->{smooth};
		3253
2876	my $idx = cf::face::find $face	3254	my $idx = cf::face::find $face
2877	or next;	3255	or next;
		3256
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3257	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3258	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3260	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3261	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2899		3278
2900	{	3279	{
2901	# TODO: for gcfclient pleasure, we should give resources	3280	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.	3281	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3282	my $res = $facedata->{resource};
2904	my $enc = JSON::XS->new->utf8->canonical;
2905
2906	my $soundconf = delete $res->{"res/sound.conf"};
2907		3283
2908	while (my ($name, $info) = each %$res) {	3284	while (my ($name, $info) = each %$res) {
2909	my $meta = $enc->encode ({	3285	if (defined $info->{type}) {
2910	name => $name,
2911	%{ $info->{meta} || {} },
2912	});
2913
2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3287	my $data;
2915		3288
2916	if ($info->{type} & 1) {	3289	if ($info->{type} & 1) {
2917	# prepend meta info	3290	# prepend meta info
2918		3291
		3292	my $meta = $enc->encode ({
		3293	name => $name,
		3294	%{ $info->{meta} || {} },
		3295	});
		3296
2919	my $data = pack "(w/a*)*", $meta, $info->{data};	3297	$data = pack "(w/a*)*", $meta, $info->{data};
2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3298	} else {
		3299	$data = $info->{data};
		3300	}
2921		3301
2922	cf::face::set_data $idx, 0, $data, $chk;	3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3303	cf::face::set_type $idx, $info->{type};
2923	} else {	3304	} else {
2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3305	$RESOURCE{$name} = $info;
2925	}	3306	}
2926		3307
2927	cf::face::set_type $idx, $info->{type};
2928
2929	cf::cede_to_tick;	3308	cf::cede_to_tick;
2930	}	3309	}
2931
2932	if ($soundconf) {
2933	$soundconf = $enc->decode (delete $soundconf->{data});
2934
2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2936	my $sound = $soundconf->{compat}[$_]
2937	or next;
2938
2939	my $face = cf::face::find "sound/$sound->[1]";
2940	cf::sound::set $sound->[0] => $face;
2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2942	}
2943
2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
2945	my $face = cf::face::find "sound/$v";
2946	cf::sound::set $k => $face;
2947	}
2948	}
2949	}	3310	}
		3311
		3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2950		3313
2951	1	3314	1
2952	}	3315	}
		3316
		3317	cf::global->attach (on_resource_update => sub {
		3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3320
		3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3322	my $sound = $soundconf->{compat}[$_]
		3323	or next;
		3324
		3325	my $face = cf::face::find "sound/$sound->[1]";
		3326	cf::sound::set $sound->[0] => $face;
		3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3328	}
		3329
		3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3331	my $face = cf::face::find "sound/$v";
		3332	cf::sound::set $k => $face;
		3333	}
		3334	}
		3335	});
2953		3336
2954	register_exticmd fx_want => sub {	3337	register_exticmd fx_want => sub {
2955	my ($ns, $want) = @_;	3338	my ($ns, $want) = @_;
2956		3339
2957	while (my ($k, $v) = each %$want) {	3340	while (my ($k, $v) = each %$want) {
2958	$ns->fx_want ($k, $v);	3341	$ns->fx_want ($k, $v);
2959	}	3342	}
2960	};	3343	};
2961		3344
		3345	sub load_resource_file($) {
		3346	my $guard = lock_acquire "load_resource_file";
		3347
		3348	my $status = load_resource_file_ $_[0];
		3349	get_slot 0.1, 100;
		3350	cf::arch::commit_load;
		3351
		3352	$status
		3353	}
		3354
2962	sub reload_regions {	3355	sub reload_regions {
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
2963	load_resource_file "$MAPDIR/regions"	3360	load_resource_file "$MAPDIR/regions"
2964	or die "unable to load regions file\n";	3361	or die "unable to load regions file\n";
2965		3362
2966	for (cf::region::list) {	3363	for (cf::region::list) {
2967	$_->{match} = qr/$_->{match}/	3364	$_->{match} = qr/$_->{match}/
…		…
2975	}	3372	}
2976		3373
2977	sub reload_archetypes {	3374	sub reload_archetypes {
2978	load_resource_file "$DATADIR/archetypes"	3375	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";	3376	or die "unable to load archetypes\n";
2980	#d# NEED to laod twice to resolve forward references
2981	# this really needs to be done in an extra post-pass
2982	# (which needs to be synchronous, so solve it differently)
2983	load_resource_file "$DATADIR/archetypes"
2984	or die "unable to load archetypes\n";
2985	}	3377	}
2986		3378
2987	sub reload_treasures {	3379	sub reload_treasures {
2988	load_resource_file "$DATADIR/treasures"	3380	load_resource_file "$DATADIR/treasures"
2989	or die "unable to load treasurelists\n";	3381	or die "unable to load treasurelists\n";
2990	}	3382	}
2991		3383
2992	sub reload_resources {	3384	sub reload_resources {
2993	warn "reloading resource files...\n";	3385	warn "reloading resource files...\n";
2994		3386
		3387	reload_facedata;
		3388	reload_archetypes;
2995	reload_regions;	3389	reload_regions;
2996	reload_facedata;
2997	#reload_archetypes;#d#
2998	reload_archetypes;
2999	reload_treasures;	3390	reload_treasures;
3000		3391
3001	warn "finished reloading resource files\n";	3392	warn "finished reloading resource files\n";
3002	}	3393	}
3003		3394
3004	sub init {	3395	sub init {
		3396	my $guard = freeze_mainloop;
		3397
3005	reload_resources;	3398	reload_resources;
3006	}	3399	}
3007		3400
3008	sub cfg_load {	3401	sub reload_config {
3009	open my $fh, "<:utf8", "$CONFDIR/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
3010	or return;	3403	or return;
3011		3404
3012	local $/;	3405	local $/;
3013	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::Load <$fh>;
3014		3407
3015	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3016		3409
3017	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3018	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3029	sub main {	3422	sub main {
3030	# we must not ever block the main coroutine	3423	# we must not ever block the main coroutine
3031	local $Coro::idle = sub {	3424	local $Coro::idle = sub {
3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3033	(async {	3426	(async {
3034	Event::one_event;	3427	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3428	EV::loop EV::LOOP_ONESHOT;
3035	})->prio (Coro::PRIO_MAX);	3429	})->prio (Coro::PRIO_MAX);
3036	};	3430	};
3037		3431
3038	cfg_load;	3432	{
		3433	my $guard = freeze_mainloop;
		3434	reload_config;
3039	db_init;	3435	db_init;
3040	load_extensions;	3436	load_extensions;
3041		3437
3042	$TICK_WATCHER->start;	3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3439	evthread_start IO::AIO::poll_fileno;
		3440	}
		3441
3043	Event::loop;	3442	EV::loop;
3044	}	3443	}
3045		3444
3046	#############################################################################	3445	#############################################################################
3047	# initialisation and cleanup	3446	# initialisation and cleanup
3048		3447
3049	# install some emergency cleanup handlers	3448	# install some emergency cleanup handlers
3050	BEGIN {	3449	BEGIN {
		3450	our %SIGWATCHER = ();
3051	for my $signal (qw(INT HUP TERM)) {	3451	for my $signal (qw(INT HUP TERM)) {
3052	Event->signal (	3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3053	reentrant => 0,
3054	data => WF_AUTOCANCEL,
3055	signal => $signal,
3056	prio => 0,
3057	cb => sub {
3058	cf::cleanup "SIG$signal";	3453	cf::cleanup "SIG$signal";
3059	},
3060	);	3454	};
3061	}	3455	}
3062	}	3456	}
3063		3457
3064	sub write_runtime {	3458	sub write_runtime_sync {
3065	my $runtime = "$LOCALDIR/runtime";	3459	my $runtime = "$LOCALDIR/runtime";
3066		3460
3067	# first touch the runtime file to show we are still running:	3461	# first touch the runtime file to show we are still running:
3068	# the fsync below can take a very very long time.	3462	# the fsync below can take a very very long time.
3069		3463
…		…
3095	and return;	3489	and return;
3096		3490
3097	warn "runtime file written.\n";	3491	warn "runtime file written.\n";
3098		3492
3099	1	3493	1
		3494	}
		3495
		3496	our $uuid_lock;
		3497	our $uuid_skip;
		3498
		3499	sub write_uuid_sync($) {
		3500	$uuid_skip ||= $_[0];
		3501
		3502	return if $uuid_lock;
		3503	local $uuid_lock = 1;
		3504
		3505	my $uuid = "$LOCALDIR/uuid";
		3506
		3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3508	or return;
		3509
		3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
3100	}	3537	}
3101		3538
3102	sub emergency_save() {	3539	sub emergency_save() {
3103	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3104		3541
…		…
3110	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
3111	warn "begin emergency player save\n";	3548	warn "begin emergency player save\n";
3112	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
3113	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
3114	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3115	$pl->save;	3553	$pl->save;
3116	}	3554	}
3117	warn "end emergency player save\n";	3555	warn "end emergency player save\n";
3118		3556
3119	warn "begin emergency map save\n";	3557	warn "begin emergency map save\n";
…		…
3125	warn "end emergency map save\n";	3563	warn "end emergency map save\n";
3126		3564
3127	warn "begin emergency database checkpoint\n";	3565	warn "begin emergency database checkpoint\n";
3128	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
3129	warn "end emergency database checkpoint\n";	3567	warn "end emergency database checkpoint\n";
		3568
		3569	warn "begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "end write uuid\n";
3130	};	3572	};
3131		3573
3132	warn "leave emergency perl save\n";	3574	warn "leave emergency perl save\n";
3133	}	3575	}
3134		3576
…		…
3149	warn "reloading...";	3591	warn "reloading...";
3150		3592
3151	warn "entering sync_job";	3593	warn "entering sync_job";
3152		3594
3153	cf::sync_job {	3595	cf::sync_job {
3154	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
3155	cf::emergency_save;	3597	cf::emergency_save;
3156	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
3157		3599
3158	warn "syncing database to disk";	3600	warn "syncing database to disk";
3159	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
3160		3602
3161	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
3162
3163	warn "cancelling all WF_AUTOCANCEL watchers";
3164	for (Event::all_watchers) {
3165	$_->cancel if $_->data & WF_AUTOCANCEL;
3166	}
3167		3604
3168	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
3169	for (;;) {	3606	for (;;) {
3170	BDB::flush;	3607	BDB::flush;
3171	IO::AIO::flush;	3608	IO::AIO::flush;
3172	Coro::cede;	3609	Coro::cede_notself;
3173	last unless IO::AIO::nreqs || BDB::nreqs;	3610	last unless IO::AIO::nreqs || BDB::nreqs;
3174	warn "iterate...";	3611	warn "iterate...";
3175	}	3612	}
3176		3613
3177	++$RELOAD;	3614	++$RELOAD;
…		…
3236	warn "reloading cf.pm";	3673	warn "reloading cf.pm";
3237	require cf;	3674	require cf;
3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3239		3676
3240	warn "loading config and database again";	3677	warn "loading config and database again";
3241	cf::cfg_load;	3678	cf::reload_config;
3242		3679
3243	warn "loading extensions";	3680	warn "loading extensions";
3244	cf::load_extensions;	3681	cf::load_extensions;
3245		3682
3246	warn "reattaching attachments to objects/players";	3683	warn "reattaching attachments to objects/players";
…		…
3253	warn "leaving sync_job";	3690	warn "leaving sync_job";
3254		3691
3255	1	3692	1
3256	} or do {	3693	} or do {
3257	warn $@;	3694	warn $@;
3258	warn "error while reloading, exiting.";	3695	cf::cleanup "error while reloading, exiting.";
3259	exit 1;
3260	};	3696	};
3261		3697
3262	warn "reloaded";	3698	warn "reloaded";
3263	};	3699	};
3264		3700
…		…
3266		3702
3267	sub reload_perl() {	3703	sub reload_perl() {
3268	# doing reload synchronously and two reloads happen back-to-back,	3704	# doing reload synchronously and two reloads happen back-to-back,
3269	# coro crashes during coro_state_free->destroy here.	3705	# coro crashes during coro_state_free->destroy here.
3270		3706
3271	$RELOAD_WATCHER ||= Event->timer (	3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3272	reentrant => 0,
3273	after => 0,
3274	data => WF_AUTOCANCEL,
3275	cb => sub {
3276	do_reload_perl;	3708	do_reload_perl;
3277	undef $RELOAD_WATCHER;	3709	undef $RELOAD_WATCHER;
3278	},
3279	);	3710	};
3280	}	3711	}
3281		3712
3282	register_command "reload" => sub {	3713	register_command "reload" => sub {
3283	my ($who, $arg) = @_;	3714	my ($who, $arg) = @_;
3284		3715
3285	if ($who->flag (FLAG_WIZ)) {	3716	if ($who->flag (FLAG_WIZ)) {
3286	$who->message ("reloading server.");	3717	$who->message ("reloading server.");
		3718	async {
		3719	$Coro::current->{desc} = "perl_reload";
3287	async { reload_perl };	3720	reload_perl;
		3721	};
3288	}	3722	}
3289	};	3723	};
3290		3724
3291	unshift @INC, $LIBDIR;	3725	unshift @INC, $LIBDIR;
3292		3726
…		…
3294		3728
3295	our @WAIT_FOR_TICK;	3729	our @WAIT_FOR_TICK;
3296	our @WAIT_FOR_TICK_BEGIN;	3730	our @WAIT_FOR_TICK_BEGIN;
3297		3731
3298	sub wait_for_tick {	3732	sub wait_for_tick {
3299	return unless $TICK_WATCHER->is_active;
3300	return if $Coro::current == $Coro::main;	3733	return if tick_inhibit || $Coro::current == $Coro::main;
3301		3734
3302	my $signal = new Coro::Signal;	3735	my $signal = new Coro::Signal;
3303	push @WAIT_FOR_TICK, $signal;	3736	push @WAIT_FOR_TICK, $signal;
3304	$signal->wait;	3737	$signal->wait;
3305	}	3738	}
3306		3739
3307	sub wait_for_tick_begin {	3740	sub wait_for_tick_begin {
3308	return unless $TICK_WATCHER->is_active;
3309	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
3310		3742
3311	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
3312	push @WAIT_FOR_TICK_BEGIN, $signal;	3744	push @WAIT_FOR_TICK_BEGIN, $signal;
3313	$signal->wait;	3745	$signal->wait;
3314	}	3746	}
3315		3747
3316	my $min = 1e6;#d#	3748	sub tick {
3317	my $avg = 10;
3318	$TICK_WATCHER = Event->timer (
3319	reentrant => 0,
3320	parked => 1,
3321	prio => 0,
3322	at => $NEXT_TICK || $TICK,
3323	data => WF_AUTOCANCEL,
3324	cb => sub {
3325	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3327	unless ++$bug_warning > 10;	3751	unless ++$bug_warning > 10;
3328	return;	3752	return;
3329	}	3753	}
3330		3754
3331	$NOW = $tick_start = Event::time;
3332
3333	cf::server_tick; # one server iteration	3755	cf::server_tick; # one server iteration
3334		3756
3335	0 && sync_job {#d#	3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3336	for(1..10) {	3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3337	my $t = Event::time;	3759	Coro::async_pool {
3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3760	$Coro::current->{desc} = "runtime saver";
3339	or die;	3761	write_runtime_sync
3340		3762	or warn "ERROR: unable to write runtime file: $!";
3341	$map->width (50);
3342	$map->height (50);
3343	$map->alloc;
3344	$map->_load_objects ("/tmp/x.map", 1);
3345	my $t = Event::time - $t;
3346
3347	#next unless $t < 0.0013;#d#
3348	if ($t < $min) {
3349	$min = $t;
3350	}
3351	$avg = $avg * 0.99 + $t * 0.01;
3352	}
3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3354	exit 0;
3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3356	};	3763	};
		3764	}
3357		3765
3358	$RUNTIME += $TICK;
3359	$NEXT_TICK += $TICK;
3360
3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
3363	Coro::async_pool {
3364	write_runtime
3365	or warn "ERROR: unable to write runtime file: $!";
3366	};
3367	}
3368
3369	# my $AFTER = Event::time;
3370	# warn $AFTER - $NOW;#d#
3371
3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3373	$sig->send;	3767	$sig->send;
3374	}	3768	}
3375	while (my $sig = shift @WAIT_FOR_TICK) {	3769	while (my $sig = shift @WAIT_FOR_TICK) {
3376	$sig->send;	3770	$sig->send;
3377	}	3771	}
3378		3772
3379	$NOW = Event::time;	3773	$LOAD = ($NOW - $TICK_START) / $TICK;
3380
3381	# if we are delayed by four ticks or more, skip them all
3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3383
3384	$TICK_WATCHER->at ($NEXT_TICK);
3385	$TICK_WATCHER->start;
3386
3387	$LOAD = ($NOW - $tick_start) / $TICK;
3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3389		3775
3390	_post_tick;	3776	if (0) {
3391		3777	if ($NEXT_TICK) {
3392		3778	my $jitter = $TICK_START - $NEXT_TICK;
		3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3780	warn "jitter $JITTER\n";#d#
		3781	}
3393	},	3782	}
3394	);	3783	}
3395		3784
3396	{	3785	{
3397	BDB::max_poll_time $TICK * 0.1;	3786	# configure BDB
3398	$BDB_POLL_WATCHER = Event->io (	3787
3399	reentrant => 0,
3400	fd => BDB::poll_fileno,
3401	poll => 'r',
3402	prio => 0,
3403	data => WF_AUTOCANCEL,
3404	cb => \&BDB::poll_cb,
3405	);
3406	BDB::min_parallel 8;	3788	BDB::min_parallel 8;
3407		3789	BDB::max_poll_reqs $TICK * 0.1;
3408	BDB::set_sync_prepare {	3790	$Coro::BDB::WATCHER->priority (1);
3409	my $status;
3410	my $current = $Coro::current;
3411	(
3412	sub {
3413	$status = $!;
3414	$current->ready; undef $current;
3415	},
3416	sub {
3417	Coro::schedule while defined $current;
3418	$! = $status;
3419	},
3420	)
3421	};
3422		3791
3423	unless ($DB_ENV) {	3792	unless ($DB_ENV) {
3424	$DB_ENV = BDB::db_env_create;	3793	$DB_ENV = BDB::db_env_create;
		3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3795	| BDB::LOG_AUTOREMOVE, 1);
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3425		3798
3426	cf::sync_job {	3799	cf::sync_job {
3427	eval {	3800	eval {
3428	BDB::db_env_open	3801	BDB::db_env_open
3429	$DB_ENV,	3802	$DB_ENV,
…		…
3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3433	0666;	3806	0666;
3434		3807
3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3436
3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3438	$DB_ENV->set_lk_detect;
3439	};	3809	};
3440		3810
3441	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
3442	};	3812	};
3443	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
3444	}	3824	}
3445		3825
3446	{	3826	{
		3827	# configure IO::AIO
		3828
3447	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
3448
3449	undef $Coro::AIO::WATCHER;
3450	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
3451	$AIO_POLL_WATCHER = Event->io (	3831	$Coro::AIO::WATCHER->priority (1);
3452	reentrant => 0,
3453	data => WF_AUTOCANCEL,
3454	fd => IO::AIO::poll_fileno,
3455	poll => 'r',
3456	prio => 6,
3457	cb => \&IO::AIO::poll_cb,
3458	);
3459	}	3832	}
3460		3833
3461	my $_log_backtrace;	3834	my $_log_backtrace;
3462		3835
3463	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
3467		3840
3468	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
3469	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
3470	++$_log_backtrace;	3843	++$_log_backtrace;
3471	async {	3844	async {
		3845	$Coro::current->{desc} = "abt $msg";
		3846
3472	my @bt = fork_call {	3847	my @bt = fork_call {
3473	@addr = map { sprintf "%x", $_ } @addr;	3848	@addr = map { sprintf "%x", $_ } @addr;
3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3849	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3850	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3476	or die "addr2line: $!";	3851	or die "addr2line: $!";

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